Manchester City's owners have built a team capable of winning the Champions League but will find it difficult to maintain long-term success, according to Real Madrid boss Jose Mourinho.

In an interview in Thursday's AS, Mourinho said the hundreds of millions of pounds invested in City in recent years had made them a force to be reckoned with on the European stage and a danger to Madrid in their forthcoming Champions League clashes.

"Manchester City are powerful because they ...

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